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Finding the Third Proportional to 161,839.69 and 355,800.94

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Solution

The third proportional to 161,839.69 and 355,800.94 is: 782,220.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,839.69 : 355,800.94 = 355,800.94 : x
  2. Step 2: Convert to fraction form
    161,839.69/355,800.94 = 355,800.94/x
  3. Step 3: Cross multiply
    161,839.69x = 355,800.94 × 355,800.94
  4. Step 4: Simplify right side
    161,839.69x = 126,594,307,125.88
  5. Step 5: Solve for x
    x = 126,594,307,125.88/161,839.69
  6. Step 6: Final answer
    x = 782,220.41

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.